John O’Herron founded Angstrom Precision Optics in 1998 in Rochester, NY. Since then, APO has grown from a 3-person, 1000-sq-ft shop into an 8000-sq-ft manufacturing facility with 17 employees. A team with more than 30 years of experience in the optical fabrication industry, along with continuous investment in equipment and personnel, has made APO a world leader in the polishing and CNC machining of optical materials. Customers are assured that 100% of the optical components supplied by APO are manufactured in the United States.